As one of its daily deals, Woot via Amazon offers Prime members the factory-refurbished JBL Flip Bluetooth Wireless Speaker in Black, model no. JBLFLIPBLKAM, or Lavender, model no. JBLFLIPLVNDRAM, for $39.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $5.99.) That's tied as the best price we've seen and $30 under the lowest total price we could find for a new one. It features a built-in microphone, two 1-5/8" drivers, and up to five hours of playback per battery charge. A 90-day JBL warranty applies. Deal ends today.